TM 9--2520--215--340006 00--1TROUBLESHOOTING INSTRUCTIONS AND QUICK GUIDE TOTROUBLESHOOTING (SYMPTOM/MALFUNCTION) INDEX0006 00THIS WORK PACKAGE COVERS:Troubleshooting Instructions, Troubleshooting Sample, and Quick Guide to Troubleshooting(Symptom/Malfunction) IndexTROUBLESHOOTING INSTRUCTIONSThe transmission is a mechanically and hydraulically operated, oil--cooled transmission. Power to operate thetransmission is delivered from the engine through a transfer assembly.The transmission has 5 gears, 3-- forward, neutral and reverse. Once power is provided to the transmission, it de-livers this power to the drive sprockets through an output shaft, universal joints, and the final drives. The final drivereduces the transmission power and provides this reduced power to the sprocket and hubs.The transmission also serves as the vehicle steering mechanism.This work package contains troubleshooting or malfunction information and tests for locating and correcting most ofthe trouble, which may develop in transmissions. Each malfunction or trouble symptom for an individual compo-nent, unit, or system is followed by a list of tests or inspections. These tests or inspections are necessary to deter-mine probable cause and suggested corrected actions to remedy the malfunction.This manual cannot list all possible malfunctions that may occur or all tests or inspections and corrective action.This work package contains a Quick Guide to Troubleshooting (Symptom/Malfunction) Index. The Quick Guide toTroubleshooting (Symptom/Malfunction) Index is the master reference table for locating troubleshooting information.The Guide contains a list of various malfunctions, which may occur during operation or inspection and provides areference to the troubleshooting information or a solution. The troubleshooting work packages provides step--by--step instructions for isolating and correcting malfunctions.WARNINGThroughout troubleshooting of the transmission when installed in vehicle personnel will comein contact with the vehicle electrical system or electrical components. Be certain vehicleMASTER switch is OFF between every step unless otherwise directed. Remove all jewelryand metal objects when working on the electrical system to prevent injury due to electricalshock.